Eyeglasses.



N0. 873,343. PATENTED DEC. 10, 1907 W. L. BEMIS. EYEGLASSES.

APPLIOATION FILED JAN. 11, .1907.

E aHoz-neq UNITED STATES PATE T OFFICE.-

wALLAoE L. BEMIs, or BRooK'roN, MAssAoHUsFlTTs. ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, oF'oNE-nA F TO E. KIRSTEIN sons 00., OF ROCHESTER, NEW YORK, A CORPORATION or NEW YORK, AND ONE-HALF TO LEO F. DT, OF ALBANY, nEW-YoRK.

EYEGLASSES.

Application filed January 1 To all whom it may concern: 7

Be it known that I,--W LLAoE L. BEMIs, a citizenf of the Umted ates, residing at Brockton, in the county of Plymouth and State of Massachusetts, have invented cer -tain new and useful Im rovements in Eyeglasses, of which the fol owing is a specifica- ",tion, reference being had to the accompany- 1 -%4drawings.- l

\ y-invention relates to irnpr vements in eyeglasses and particularly to e eglass cen-. ters; andone object of my invention is to provide eyeglasses in which a rigid bridge may be used and the lenses pivota ed with respect thereto; p

Another object of my invention is to provide a mounting which may be used withthe' ordinary stud or box now in common'use, so that ordinary eyeglasses may be equipped with my irnprovementatsniall expense 2 i In the drawings'illustrating the principle] of my invention and the best mode now known to me ofapplying that principle, Figure 1 is a plan view of a airgof eyeglasses embodyi my invention, showingt epivotal mounting viewed in the directionof the, arrow in Fig.1; Fig. 3is a detail showing the pivotal connection as viewed from the front, the stud being shown in sectional view, Fig. 4 is a sectionaldetail on the line A-A of Fig. 2, Fig. 5 is a detail showing the rigid bridge, and Figs 6, 7, 8 and 9 are details s owing the modifications.

.45 the bridge 'i is screwed the screw The strap a the studor box 1;, the noseguard '0 and the securing screw (1 are all of the'usual construction now foundin eyeglasses. Clam ed in the stud or box 5 by the screw dis the at shank e of the pivot-piece f from the base 9 of which extends upwardly a. lug it. 'Mounted upon the base 9 of the pivotpiece f is one end with the lug 7'. Above the base g is a disk k formed with a downwardly-extending lug m; and through the disk k and the end of 1vot pin it into the center of the base 9 oi the pivot piece. A c'oil-sprin 0 is inte osed between the diskk and the ass 9. ne end of thespring rests against the lug it while its other end is engaged by the ug 1'.

When the lenses p are carried to the front to increase, the interval between the noseguards c, (as shown by full-lines in Fi s. 1 and 4,) the springs 0 are eachcompressed etween Specification of Letters Patent.

1y mountig. 2 isa detail of the'rigid bridge i formed lens and a stud secured thereto, of a pivot- Patented Dec. 10, 1907.

1.1907. Serial No. 851.828.

ried too far; to the front.

In the modification shown in Figs. 6 and. 7, the pivot-piece isformed with two up-' wardly-extending ugs, while the disk T has j no lug. The'lu s of the pivot-piece gages oneend o the coil-spring awhile other enrj is engaged by the log 7' on the end of the bridge 7}, as above. The ug t prevents the lens from'being forced too far to the bridge '5.

he 9, the bridge u is formed at each end with a loop 2; ierced with the holes w, for the passage o the pivot-pin as, which projects'upwardly from'the 'pivotpiece y. The latter is formed with ears 2, 3, the first of which engages one end of the spring 0 the other end ofwhich isengaged by the loop-end of the ment with the bridge too farof thelens p.

1 In eyeglasses, the ombination with a lens and a stud secured thereto, 'of a verti cally arranged pivot-piece secured in said stud and having a'= pivot pin projecting upwardly therefrom; a bridge pivotallymounted on said pivot-piece; and a fcoil spring surrounding thepivot pin and interposed between said piv'ot-piece and bridge. I

'2. In eyeglasses, the combination with'a lens and a stud secured thereto, of a pivotpiece secured in said stud; a bridge pivotally mounted on said'pivot-piece; :a yie ding device interposed between said pivot-piece and L bridge; and a dew ice for preventing the lenses being turned too far forward.

3. In eyeglasses,-the'combin ttion with a the carrying forward piece secured in said stud and cerrying an upwardly extending lug-and a pivot pin; abridge pivotally mounted on said pivotpiece; and a coilspring surroundingthe" pivot pin and having one'nd bearing againstsaid ridge and the other end, of which bears against said lug.

4. Eyeglasses consisting of a a stud secured to each of said enses; a pair of nose-guards; a pair of pivot-pieces; means for-- s'ecu'ring one of said nose-guards and front, since in that case it engages with the engage the bridge i, in case the lens is carmodification shown in Figs. 8 and I bridge, The ear 3 prevents by its engageair of lenses},

pivotrpiecesin each of said. studs; 9. bridge to v each end of which is pivotally secured one of said pivot-pieces a spring interposed between each pivot-piece and the end of the bridge pivotally secured thereto; and a device for preventingthe lenses being thrown too'far forward.

5. In eyeglasses, the combination of a bridge each end of which is formed with a lug; a stud carrying device mounted free to swing on the end of said bridge; said device being formed two lugs, one of which extends upwardly and the other of which extends downwardly; and a spring, one end of which bears against the lug formed on the end of said bridge and the other end of which bears against one of the lugs formed on said device; the other lug formed on said device serving to limit the rotary movement of said device in cooperation with said bridge.

In testimony whereof I have hereunto signed my name in the presence of two witnesses at said Brockton this 26 day of December, A. D. 1905.

"WALLACE L. BEMIS.

Witnesses:

'R. H. COLE, T. MERRILL. 

